ADS5474IPFPG4 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The ADS5474IPFPG4 is a 14-bit single-channel parallel-output ADC with a differential input range of ±2.2 V and a sampling rate up to 400 MSPS, housed in an 80-pin HTQFP package. It achieves less than 0.02% linearity error, making it suitable for high-speed signal acquisition in communications and test equipment. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- ACTIVE
- Datasheet
- ADS5474IPFPG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADS5474IPFPG4?
- 14-bit resolution at up to 400 MSPS enables high-dynamic-range digitization of wideband signals in radar, software-defined radio, and high-speed oscilloscope front-ends
- Differential analog input with ±2.2 V peak-to-peak range provides excellent common-mode noise rejection, critical for maintaining SNR above 70 dBFS in mixed-signal PCB environments
- Parallel CMOS/LVDS output interface in an 80-pin HTQFP package allows direct connection to FPGA input banks without a serializer, simplifying high-speed data capture firmware design
What is ADS5474IPFPG4 used for?
The ADS5474IPFPG4 is used in high-speed data acquisition systems such as software-defined radio receivers, medical ultrasound imaging front-ends, and radar signal processors that require 14-bit resolution combined with sampling rates up to 400 MSPS. Its low linearity error of 0.02% and high dynamic range enable accurate spectral analysis of wideband analog inputs directly into FPGA-based digital signal processors. Test and measurement instruments including high-bandwidth oscilloscopes and spectrum analyzers also employ this ADC to capture transient events and wide-frequency-span signals with minimal distortion.
What are the specifications of ADS5474IPFPG4?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | Peak-to-peak input voltage range(V) : 2.2 |
| Analog Input Voltage-Max | 2.2V |
| Analog Input Voltage-Min | -2.2 V |
| Converter Type | ADC, PROPRIETARY METHOD |
| JESD-30 Code | S-PQFP-G80 |
| JESD-609 Code | e4 |
| Linearity Error-Max (EL) | 0.0183% |
| Number of Analog In Channels | 1 |
| Number of Bits | 14 |
| Number of Functions | 1 |
| Output Bit Code | OFFSET BINARY |
| Output Format | PARALLEL, WORD |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP80,.55SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Sample Rate | 400MHz |
| Sample and Hold / Track and Hold | TRACK |
| Supply Current-Max | 372mA |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 4 |
| ECCN | 3A001.A.5.A.4 |
| HTS Code | 8542.39.00.30 |
| Country of Origin | Taiwan |
Where can I find the ADS5474IPFPG4 datasheet?
ADS5474IPFPG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ADS5474IPFPG4?
Compatible alternatives and drop-in replacements for ADS5474IPFPG4:
14-Bit, 1 Func, 1 Channel, Parallel, Word Access, Bipolar, PQFP80
14-Bit, 1 Func, 1 Channel, Parallel, Word Access, Bipolar, PQFP80
Frequently Asked Questions
For a 400 MSPS radar receiver design, how wide a signal bandwidth can the ADS5474IPFPG4 digitize without aliasing?
At 400 MSPS, the Nyquist bandwidth is 200 MHz, meaning the ADC can alias-free digitize any signal with frequency content up to 200 MHz when an appropriate anti-aliasing filter with at least 70 dB stopband attenuation is placed at the analog input. For undersampling applications, the second Nyquist zone from 200 MHz to 400 MHz can also be used directly, allowing the ADS5474IPFPG4 to digitize band-limited IF signals centered at 250 MHz to 350 MHz without an additional down-conversion mixer stage.
Why does the ADS5474IPFPG4 use a differential input, and how should the driving amplifier be selected?
A differential input rejects power supply ripple, ground bounce, and common-mode EMI that would otherwise appear as spurious tones in the digitized spectrum. The ±2.2 V differential input range (4.4 V peak-to-peak) requires a driving amplifier with at least 500 MHz bandwidth, less than 1 nV/√Hz input voltage noise, and differential output capability to preserve the 14-bit SNR. Texas Instruments devices such as the THS4509 (1 GHz bandwidth, differential output) or similar wideband fully-differential amplifiers are typical front-end choices for this ADC in communications receiver applications.
How many FPGA I/O pins are needed to capture the parallel output of the ADS5474IPFPG4, and what interface standard does it use?
The ADS5474IPFPG4 outputs 14-bit data in parallel using CMOS or LVDS logic levels, requiring 14 data lines plus a data clock output for synchronization. With LVDS outputs (differential pairs), the FPGA capture interface consumes 14 × 2 = 28 LVDS-capable I/O pins plus 1 differential clock pair, totaling 30 differential I/O pairs. Most mid-range FPGAs with dedicated LVDS I/O banks can accommodate this interface with two I/O columns, and the single-lane parallel capture avoids the complexity of high-speed serial deserialization logic in the FPGA fabric.
How does the 0.02% linearity error of the ADS5474IPFPG4 translate to spurious-free dynamic range in a spectral measurement?
The 0.02% integral non-linearity (INL) corresponds to approximately ±3 LSB at 14-bit resolution. INL distortion generates harmonics typically 70 dBFS to 80 dBFS below the fundamental tone in a single-tone FFT test, which is consistent with a spurious-free dynamic range (SFDR) in the 75 dBFS to 85 dBFS range. For spectrum analyzer front-ends requiring spur rejection better than 60 dBc for signals at -1 dBFS full-scale, this INL performance is sufficient, while applications needing greater than 90 dBFS SFDR would require a higher-linearity 16-bit ADC.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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